Is this an acceptable way to notify a daemon when a bridge address changes?
-- Dan Eble <[EMAIL PROTECTED]> _____ . Software Engineer | _ |/| Applied Innovation Inc. | |_| | | http://www.aiinet.com/ |__/|_|_| diff -9 -urN Old/net/bridge/br_ioctl.c New/net/bridge/br_ioctl.c --- Old/net/bridge/br_ioctl.c 2004-09-27 16:19:12.000000000 -0400 +++ New/net/bridge/br_ioctl.c 2004-09-27 16:19:12.000000000 -0400 @@ -10,47 +10,59 @@ * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> #include <linux/if_bridge.h> #include <linux/inetdevice.h> +#include <linux/rtnetlink.h> #include <asm/uaccess.h> #include "br_private.h" static int br_ioctl_device(struct net_bridge *br, unsigned int cmd, unsigned long arg0, unsigned long arg1, unsigned long arg2) { if (br == NULL) return -EINVAL; switch (cmd) { case BRCTL_ADD_IF: case BRCTL_DEL_IF: { + unsigned char oldaddr[ETH_ALEN]; + struct net_device *dev; int ret; dev = dev_get_by_index(arg0); if (dev == NULL) return -EINVAL; + read_lock(&br->lock); + memcpy(oldaddr, br->bridge_id.addr, ETH_ALEN); + read_unlock(&br->lock); + if (cmd == BRCTL_ADD_IF) ret = br_add_if(br, dev); else ret = br_del_if(br, dev); + read_lock(&br->lock); + if (0 != memcmp(oldaddr, br->bridge_id.addr, ETH_ALEN)) + rtmsg_ifinfo(RTM_NEWLINK, &br->dev, 0); + read_unlock(&br->lock); + dev_put(dev); return ret; } case BRCTL_GET_BRIDGE_INFO: { struct __bridge_info b; memset(&b, 0, sizeof(struct __bridge_info));
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